1. Previous version of JPA perspective icon looks better and was more
descriptive.

2. After opening JPA perspective and opening entity class, Eclipse.exe
starts eating 100% of CPU time for long time (3 min on P4/2Ghz/2GB RAM).
Eclipse is unresponsible for this time. This issue I have for project
with 97 entity classes, for another project with 11 classes time is
tolerable.